Tetzlaff is a surname. It is a German rendering of a West Slavic personal name. The surname may refer to: Christian Tetzlaff (born 1966), German violinist, brother of Tanja Dale H. "Ted" Tetzlaff (1903–1995), American cinematographer Doris Tetzlaff (1921–1998), American baseball player Dörthe Tetzlaff, German geologist Percy Tetzlaff (1920–2009), New Zealand rugby player Rob Tetzlaff (1935–2012), American Olympic cyclist Tanja Tetzlaff (born 1973), German cellist, sister of Christian Teddy Tetzlaff (1883–1929), American racecar driver Toni Tetzlaff (1871–1947), German actress Walter Tetzlaff (1915–1975), American child actor See also Tetzlaff Peak, a mountain in Utah, US Tetzlav (before 1163 – between 1170 and 1181), Prince of Rügen German-language surnames West Slavic-language surnames